[  475.927392] netdevsim netdevsim374 eni374np1: renamed from eth0
[  475.928260] netdevsim netdevsim672 eni672np1: renamed from eth0
[  476.024366] Could not find device with ifindex 2000 in netnsfd 11
[  476.024447] Could not find netns with fd: 2000
[  476.024490] Cannot link a netdevsim to itself
[  476.024544] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).